Triangles: Areas of Similar Triangles

The video tutorial explores the concepts of similarity and congruency in triangles, focusing on how scaling affects their areas. It explains the three types of similar triangles: congruent, scaled up, and scaled down. Through an example, it demonstrates that the area of a scaled-up triangle is the square of the scale factor times the area of the original triangle. The tutorial concludes with a proof showing that the ratio of the areas of similar triangles equals the square of the ratio of their corresponding sides.

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